There might be tons of ways to improve your website performance but what are the most efficient ways of doing so? Yahoo reveals Thirteen Simple Rules for Speeding Up Your Web Site, which is awesome and really should be added on the checklist when testing the new website you are about to release.
Exceptional Performance : Thirteen Simple Rules for Speeding Up Your Web Site - Make Fewer HTTP Requests
- Use a Content Delivery Network
- Add an Expires Header
- Gzip Components
- Put CSS at the Top
- Move Scripts to the Bottom
- Avoid CSS Expressions
- Make JavaScript and CSS External
- Reduce DNS Lookups
- Minify JavaScript
- Avoid Redirects
- Remove Duplicate Scripts
- Configure ETags
Now, how do we check to make sure the website we are building actually follows these simple rules? No worry, developers from Yahoo know what we want and won't just tell you the principles and leave us no way to prove how bad performance our websites are. They developed YSlow, a Firefox add-on integrated with the popular Firebug web development tool, which analyzes web pages and tells you why they're slow based on the rules for high performance web sites.
Coding Horror's YSlow: Yahoo's Problems Are Not Your Problems also reveals this tool in great detail.
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